/*
 * @(#)HttpMonitorServer.java 1.00 2005-9-7
 *
 * Copyright 2005 BeanSoft Studio. All rights reserved.
 * PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
package studio.beansoft.remotecontrol.server;

import java.awt.image.BufferedImage;
import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

import studio.beansoft.util.logging.Logger;

import com.keypoint.PngEncoder;
import com.keypoint.PngEncoderB;


/**
 * HttpMonitorServer provides a http monitor server that according to the client
 * requirements. 
 * This server parse parameters send by the client using HTTP GET
 * method, and then response client with a image of the server screen, finally
 * execute keyboard and mouse operations on the server.
 * 
 * Chinese documents: 
 * 提供一個 HTTP 符合客戶端要求的監視服務器. 這個服務器分析客戶端通過 HTTP GET 方法傳遞過來
 * 的參數, 返回客戶端服務器屏幕的圖像, 最后在服務器上執行鍵盤和鼠標操作.
 * 
 * @author BeanSoft
 * @version 1.00 2005-9-7
 */
public class HttpMonitorServer extends TcpMonitorServer {

	/**
	 * Service client as a HTTP monitor server.
	 * @see studio.beansoft.remotecontrol.client.HttpCommunicationThread
	 */
	public void serviceRequest() throws IOException {
		try {
			long startTime = System.currentTimeMillis();
			
			BufferedReader in = new BufferedReader(new InputStreamReader(
					super.clientInput));
			
			String uri = in.readLine();
			
			String resource = uri.substring(uri.indexOf('/')+1, uri.lastIndexOf('/')-5);
			
			doEventHandle(resource);
			
//			Logger.getLogger("HttpMonitorServer").debug("Request: " + resource);

			clientOutput.println("HTTP/1.0 200 OK");// Send a http ok response

//			ImageIO.write(captureScreen(), "png", clientOutput);

			clientOutput.println("Content_Type:image/png");
			clientOutput.println();// End HTTP response header

			// Buffered output
			BufferedOutputStream bout = new BufferedOutputStream(clientOutput, 10240);
			
			BufferedImage bi = captureScreen();
			// JPEG format, faster, but big file
//			JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(bout);
//			JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam(bi);
//			param.setQuality(1.0f, false);
//			encoder.setJPEGEncodeParam(param);
//
//			encoder.encode(bi);
			
			// Keypoint png file output
            PngEncoderB pngb = new PngEncoderB(bi,
					PngEncoder.NO_ALPHA, 0, 9);
            bout.write(pngb.pngEncode());
			
			bout.flush();
			Logger.getLogger("HttpMonitorServer").debug("Process time:" + (System.currentTimeMillis() - startTime));
			
			
		} catch (Exception e) {
			Logger.getLogger("HttpMonitorServer").fatal("HTTP Server failer:" + e.getLocalizedMessage());
		}
	}
	
	/**
	 * Start the http server.
	 * @param args
	 */
	public static void main(String[] args) {
		new HttpMonitorServer();
	}

}